FN1 and metastatic malignant neoplasm in the lymph nodes: We compared the clinical characteristics (including age, sex, location, clinical stage, progression state, lymph node metastasis, and distant metastasis) between the FN1-high expression and FN1-low expression groups, and observed statistically significant differences in lymph node metastasis, distant metastasis, and progression state, although no significant differences were identified for other clinical features (Table 3).